The Los Angeles City Council is the latest public entity to push back against construction of a border wall by penalizing contractors or other businesses who bid or work on it, and certainly some construction companies will choose not to be involved with such a controversial project if it means, for some, that their bread and butter work with local governments is in jeopardy.
The Austin (Texas) City Council took action against border wall contractors one step further in February when it barred them from doing business with the city at all, although it will not apply to businesses that work on the portions of border wall that were in place prior to Trump launching the expansion.
